Unabridged philosophy audiobooks by Plato (Parmenides), Aristotle (Economics), Cicero (On Moral Duties) and Plotinus (Enneads). Topics discussed include ethics, justice, law, logic, metaphysics, God, happiness, love and beauty. Each book has been streamlined by merging separate LibriVox recordings into a single seamless whole with no interruptions. These public domain recordings are available advertisement free from LibriVox at www.librivox.org and they are also available in uncompressed Hi-Res WAV64 and FLAC formats from the Internet Archive at www.archive.org. Painting: La Perle et la vague by Paul-Jacques-Aimé Baudry, 1862.